michael@0: #! /usr/bin/env node
michael@0: //
michael@0: //  Doorbell - Door Bell Gateway for Mesh Networks
michael@0: //  Copyright © 2015 Michael Schloh von Bennewitz <michael@schloh.com>
michael@0: //
michael@0: //  Permission to use, copy, modify, and/or distribute this software for
michael@0: //  any purpose with or without fee is hereby granted, provided that the
michael@0: //  above copyright notice and this permission notice appear in all copies.
michael@0: //
michael@0: //  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
michael@0: //  WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
michael@0: //  WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
michael@0: //  AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
michael@0: //  DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
michael@0: //  PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
michael@0: //  ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
michael@0: //  THIS SOFTWARE.
michael@0: //
michael@0: //  This file is part of Doorbell, a smart door bell IoT gateway
michael@0: //  which can be found at http://dev.europalab.com/doorbell/
michael@0: //
michael@0: //  bellhear.js: ECMA JavaScript implementation
michael@0: //
michael@0: 
michael@0: /***********************************************************
michael@0: |              _                  _          _ _           |
michael@0: |           __| | ___   ___  _ __| |__   ___| | |          |
michael@0: |          / _` |/ _ \ / _ \| '__| '_ \ / _ \ | |          |
michael@0: |         | (_| | (_) | (_) | |  | |_) |  __/ | |          |
michael@0: |          \__,_|\___/ \___/|_|  |_.__/ \___|_|_|          |
michael@0: |                                                          |
michael@0: | Requirements: MQTT broker with standard configuration    |
michael@0: |               NodeJS and NPM modules (see package.json)  |
michael@0: |                                                          |
michael@0: | Execute: To start this application, launch it with the   |
michael@0: |          script named bellhear.js: $ ./bellhear.js       |
michael@0: |                                                          |
michael@0: | Support: http://list.europalab.com/mailman/doorbell/     |
michael@0: |                                                          |
michael@0: | Test: mosquitto_pub -m ON -t door/bell                   |
michael@0: |                                                          |
michael@0: ***********************************************************/
michael@0: 
michael@0: 
michael@0: // Simple doorbell subscribe client
michael@0: var mqtt = require('mqtt');
michael@0: var locli = mqtt.connect('mqtt://localhost/');
michael@0: 
michael@0: locli.on('connect', function () {
michael@0:     //locli.subscribe('/door/bell');  // explicit
michael@0:     //locli.subscribe('/door/#');     // recursive
michael@0:     locli.subscribe('/door/+');       // one level
michael@0: });
michael@0:  
michael@0: locli.on('message', function(topic, message) {
michael@0:     console.log(message.toString());
michael@0:     //locli.end();
michael@0: });
michael@0: 
michael@0: // disable automatic reconnect
michael@0: locli.options.reconnectPeriod = 0;